Patent 5300737: Tubular linear motor driven elevator
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL : Includes control for power source of drive-means : With specific electrical component : For electric power source : Actuated by load support speed sensor or governor)

Patent 5300877: Precision voltage reference circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)